Images

• BBC Sound Effects
• Behold
• The Commons on Flickr
• CompFight
• Flickr CC
• Flickr Creative Commons
• Flickr Storm
• Getty Images (Use this site for embeddable images only.)
• ImageBase
• Infotopia Image Resources
• KidsClick! - Kid's Image Search Tools
• Microsoft Office - Images & More
• MorgueFile
• OpenPhoto
• Open Clip Art Library
• Pics4Learning
• Pixabay (The Shutterstock sponsored images at the top of the page are not free to use.)
• StockSnap.io
• Sweet Search
• U.S. Government Photos & Images
• Unsplash
• Wikimedia Commons

Music & Sounds

• CC Mixter (Download, Sample, Cut-up, Share)
• Copyright-friendly music and sound
• Creative Commons: Audio
• Creative Commons: Legal Music for Videos
• DanoSongs.com (Royalty Free Music)
• dig.ccmixter
• FindSounds
• FMA: Free Music Archive
• Free Stock Music
• Freeplay Music
• Freesound
• Incompetech
• Internet Tip (Royalty Free Music at No Charge)
• Jamendo (Free, Legal & Unlimited Music)
• Josh Woodard: Creative Commons Music
• Open Music Archive.org
• Open Music Search on Google
• Opsound (Free Music with a Creative Commons License)
• PacDV (Free Sound Effects)
• Partners in Rhyme: Royalty Free Music Loops and Music Tracks (Not everything on this site is free, just this page.)
• Purple Planet: Royalty-Free Music
• Royalty Free Music.com: Free Music Clips (Not everything on this site is free, just this page.)
• Royalty Free Music Room.com
• SoundBible.com (Sound Clips, Sound Bites, and Sound Effects)
• Sound Jay (Free Sound Effects)
• Soungle (Database of Sounds)

All Media

• CC Search
• Copyright-Friendly